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Compiler DesignConsider the context free grammar: S \rightarrow SS + | SS * | a; eliminate left factoring and left recursion from the grammar. Does these removals make the grammar suitable for top-down parsing? Justify.20227mCompiler DesignHandle pruning forms the basis of........ (i) Bottom up parsing (ii) Top down parsing (iii) Predictive parsing (iv) Recursive descent parsing20232m Compiler DesignChoose the correct answer of the following: To convert an arbitrary CFG to an LL(1) grammar (i) factor the grammar alone (ii) remove left recursion alone (iii) remove left recursion and factor the grammar (iv) None of the above20192m Compiler DesignChoose the correct answer of the following: Handle pruning forms the basis of ...........? (i) Bottom up parsing (ii) Top down parsing (iii) Predictive parsing (iv) Recursive descent parsing20232m